Stake should include a self exclusion option for various periods of time like for a couple of hours / days, will help people a lot.
Are you for real suggesting this? You can actually stop playing and choose to do so. If you really want to stop then atleast do it by yourself. The site will always be here to make some money and some people will keep on playing either to get some money or to be entertained. All it takes for you will be to stop playing in your own accordance